"So we already have a system that encourages multinational companies to move overseas. I have research that this income shifting alone adds up to 60 to 90 billion in 2008 and it's probably even more today. It's a big revenue cost for the U.S. government -- that kind of income shifting behavior."

Michael Antonopoulous is Republcian Senate nominee Monica Wehby's new campaign manager. He answered that criticism by sayng he's not surprised Merkley is trying to shift the blame from his own failed record of backing policies that have hurt Oregonians.